/**
 * @author lscl
 * @version 1.0
 * @intro:
 */
public class Demo03_if_else_if {
    public static void main(String[] args) {


        int score = 90;

        if (score >= 90 && score <= 100) {

            System.out.println("优秀！");
        } else if (score >= 80 && score < 90) {

            System.out.println("良好！");


        } else if (score >= 60 && score < 80) {
            System.out.println("及格！");


        } else if (score < 60) {

            System.out.println("不及格！！");
        } else {
            System.out.println("分数异常！！！");
        }



    }

}
